Yaskawa Sigma-5 User Manual: Design and Maintenance - Linear Motors - Manual (Page 254)

8.1 Troubleshooting
8-3
8
T
roubleshooting
A.330
Main Circuit Power
Supply Wiring Error
• Setting of AC input/DC input is incorrect.
• Power supply wiring is incorrect.
Gr.1 Available
A.400 Overvoltage Main circuit DC voltage is excessively high. Gr.1 Available
A.410 Undervoltage Main circuit DC voltage is excessively low. Gr.2 Available
A.450
Main-Circuit
Capacitor Overvoltage
The capacitor of the main circuit has deteriorated or is faulty. Gr.1 N/A
A.510 Overspeed
The linear servomotor speed is over the maximum allowable
speed.
Gr.1 Available
A.511
Overspeed of Encoder Output
Pulse Rate
The set value of the encoder output resolution (Pn281)
exceeds the speed limit.
Gr.1 Available
A.520 Vibration Alarm Vibration at the motor speed was detected. Gr.1 Available
A.521 Autotuning Alarm
Vibration was detected while performing tuning-less func-
tion.
Gr.1 Available
A.550 Maximum Speed Setting Error The Pn385 setting is greater than the maximum speed. Gr.1 Available
A.710 Overload: High Load
The linear servomotor was operating for several seconds to
several tens of seconds under a force largely exceeding rat-
ings. Gr.2 Available
A.720 Overload: Low Load
The linear servomotor was operating continuously under a
force largely exceeding ratings.
Gr.1 Available
A.730
A.731
Dynamic Brake Overload
When the dynamic brake was applied, moving energy
exceeded the capacity of dynamic brake resistor.
Gr.1 Available
A.740
Overload of Surge
Current Limit Resistor
The main circuit power was frequently turned ON and OFF. Gr.1 Available
A.7A0 Heat Sink Overheated
The temperature of the SERVOPACK heat sink exceeded
100
°C.
Gr.2 Available
A.7AB
Built-in Fan in SERVOPACK
Stopped
The fan inside the SERVOPACK stopped. Gr.1 Available
A.820 Encoder Checksum Error The checksum results of linear scale memory is incorrect. Gr.1 N/A
A.840 Encoder Data Error Data in the linear scale is incorrect. Gr.1 N/A
A.850 Encoder Overspeed
The linear scale was operating at high speed when the power
was turned ON.
Gr.1 N/A
A.860 Encoder Overheated The internal temperature of linear scale is too high. Gr.1 N/A
A.861 Motor Overheated The internal temperature of motor is too high. Gr.1 N/A
A.890 Encoder Scale Error A linear scale fault occurred. Gr.1 N/A
A.891 Encoder Module Error Linear scale is faulty. Gr.1 N/A
A.b31
Current Detection Error1
(Phase-U)
The current detection circuit for phase-U is faulty. Gr.1 N/A
A.b32
Current Detection Error 2
(Phase-V)
The current detection circuit for phase-V is faulty. Gr.1 N/A
A.b33
Current Detection Error 3
(Current detector)
The detection circuit for the current is faulty. Gr.1 N/A
A.bF0 System Alarm 0 “Internal program error 0" occurred in the SERVOPACK. Gr.1 N/A
A.bF1 System Alarm 1 “Internal program error 1" occurred in the SERVOPACK. Gr.1 N/A
A.bF2 System Alarm 2 “Internal program error 2" occurred in the SERVOPACK. Gr.1 N/A
A.bF3 System Alarm 3 “Internal program error 3" occurred in the SERVOPACK. Gr.1 N/A
A.bF4 System Alarm 4 “Internal program error 4" occurred in the SERVOPACK. Gr.1 N/A
A.C10 Servo Overrun Detected The linear servomotor ran out of control. Gr.1 Available
A.C20 Phase Detection Error The detection of the phase is incorrect. Gr.1 N/A
A.C21 Hall Sensor Error The hall sensor is faulty. Gr.1 N/A
A.C22
Phase Information
Disagreement
The phase information does not match. Gr.1 N/A
Alarm
Display
Alarm Name Meaning
Servomotor
Stop
Method
Alarm
Reset